Groundwater is a valuable resource for communities, but accessing and maximising its potential can be difficult.
Groundwater is a valuable source for water supply programmes because it tends to be available year-round when other sources dry up. It can be developed at a low cost close to homes and generally does not require expensive treatment.
Groundwater represents a third of global water withdrawals. Good practice must be followed if groundwater development programmes are to reach their full potential. If certain steps are not taken, there is a high chance that boreholes will fail, the investment will be wasted and people will remain un-served.
Good quantities of groundwater cannot be found everywhere.
Drilling contractors cannot be left to construct boreholes without full-time qualified supervision; spot-checking is not enough to ensure a good job will be done.
Drilling for water is complicated. Most of the construction is underground and much can go wrong. If drilling contracts are structured so those drillers are not paid anything for dry boreholes then all the risk is passed to them and they may be encouraged to cut corners that impact on the quality of boreholes.
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| A Borehole That Lasts A Lifetime (The Importance Of Good Borehole Siting in Zimbabwe) |
Drilling contractors cannot be left to construct boreholes without full-time qualified supervision; spot-checking is not enough to ensure a good job will be done.
Drilling for water is complicated. Most of the construction is underground and much can go wrong. If drilling contracts are structured so those drillers are not paid anything for dry boreholes then all the risk is passed to them and they may be encouraged to cut corners that impact on the quality of boreholes.
Good drilling contract management requires an understanding of the uncertainties and a series of steps that will ensure better drilling:
Pump failure can be caused by poor quality borehole design or construction.
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| A Borehole That Lasts A Lifetime (The Importance Of Good Borehole Siting) |
Meet Henry the hand pump mechanic as he learns about the basics of good borehole siting, design, construction and well development. Find out about casing and screen, gravel pack, and the sanitary seal and see that silting is one reason that boreholes fail.
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We specialise in water siting, borehole drilling, irrigation, pumping and filtration system design, supply, installation and servicing, for a magnitude of customers ranging from residential to commercial and industrial to agricultural.
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